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All results from a given calculation for C6H10 (Cyclopentene, 1-methyl-)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-233.234203
Energy at 298.15K-233.245102
Nuclear repulsion energy232.945933
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3227 3087 12.83      
2 A 3159 3022 29.22      
3 A 3143 3007 16.72      
4 A 3115 2980 38.49      
5 A 3108 2973 20.75      
6 A 3100 2966 16.30      
7 A 3094 2961 8.98      
8 A 3054 2922 51.13      
9 A 3053 2921 23.18      
10 A 3048 2916 16.11      
11 A 1738 1663 2.15      
12 A 1548 1481 1.60      
13 A 1546 1479 10.33      
14 A 1542 1476 11.39      
15 A 1531 1464 1.50      
16 A 1525 1459 2.94      
17 A 1454 1391 5.17      
18 A 1374 1315 3.49      
19 A 1345 1287 2.30      
20 A 1337 1279 5.95      
21 A 1314 1257 1.27      
22 A 1270 1215 1.98      
23 A 1257 1203 1.30      
24 A 1203 1151 2.29      
25 A 1178 1127 0.90      
26 A 1111 1063 0.69      
27 A 1054 1008 6.63      
28 A 1052 1006 7.38      
29 A 1037 992 2.53      
30 A 942 901 2.18      
31 A 918 878 0.79      
32 A 907 868 0.94      
33 A 881 843 0.30      
34 A 844 807 9.04      
35 A 818 782 9.49      
36 A 655 627 2.96      
37 A 579 554 0.18      
38 A 431 412 5.53      
39 A 312 299 0.64      
40 A 239 229 3.33      
41 A 174 167 0.84      
42 A 132 126 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 32172.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30779.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/3-21G
ABC
0.23103 0.10099 0.07485

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.756 0.078 -0.001
H2 -0.335 2.181 -0.079
C3 0.025 1.161 -0.024
H4 -2.648 -0.445 0.863
H5 -2.595 -0.567 -0.898
H6 -2.680 1.031 -0.125
C7 -2.252 0.029 -0.043
H8 -0.012 -1.576 1.167
H9 -0.265 -1.982 -0.542
C10 0.069 -1.193 0.141
H11 1.715 -0.882 -1.238
H12 2.269 -1.237 0.413
C13 1.513 -0.715 -0.177
H14 1.862 1.045 1.106
H15 2.121 1.364 -0.617
C16 1.497 0.818 0.096

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.14581.33492.14442.14482.15091.49712.15722.18551.52242.92573.32452.41033.00223.21132.3734
H22.14581.08303.62383.65052.61272.88213.97114.18863.40523.86314.32463.43632.74212.64322.2897
C31.33491.08303.24153.25702.71012.54242.98483.19772.36012.91593.31302.39922.16002.18811.5164
H42.14443.62383.24151.76611.77651.09692.88433.16442.90944.86235.00064.29744.75555.31114.4003
H52.14483.65053.25701.76611.77721.09663.45682.74872.92684.33455.08134.17315.14505.10334.4322
H62.15092.61272.71011.77651.77721.09293.94793.88393.54674.92125.47084.54274.70604.83804.1886
C71.49712.88212.54241.09691.09661.09293.00962.87032.62974.24194.71693.84014.39034.60813.8334
H82.15723.97112.98482.88433.45683.94793.00961.77371.09823.04112.42632.20733.22264.04733.0258
H92.18554.18863.19773.16442.74873.88392.87031.77371.09482.36982.80822.21354.04944.11043.3687
C101.52243.40522.36012.90942.92683.54672.62971.09821.09482.16962.21701.55383.02573.36552.4668
H112.92573.86312.91594.86234.33454.92124.24193.04112.36982.16961.77711.09343.03782.36542.1715
H123.32454.32463.31305.00065.08135.47084.71692.42632.80822.21701.77711.09142.41942.80202.2179
C132.41033.43632.39924.29744.17314.54273.84012.20732.21351.55381.09341.09142.20532.21081.5568
H143.00222.74212.16004.75555.14504.70604.39033.22264.04943.02573.03782.41942.20531.77201.0978
H153.21132.64322.18815.31115.10334.83804.60814.04734.11043.36552.36542.80202.21081.77201.0941
C162.37342.28971.51644.40034.43224.18863.83343.02583.36872.46682.17152.21791.55681.09781.0941

picture of Cyclopentene, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H2 124.790 C1 C3 C16 112.537
C1 C7 H4 110.567 C1 C7 H5 110.618
C1 C7 H6 111.332 C1 C10 H8 109.744
C1 C10 H9 112.215 C1 C10 C13 103.161
H2 C3 C16 122.625 C3 C1 C7 127.627
C3 C1 C10 111.205 C3 C16 C13 102.637
C3 C16 H14 110.405 C3 C16 H15 112.911
H4 C7 H5 107.243 H4 C7 H6 108.436
H5 C7 H6 108.517 C7 C1 C10 121.121
H8 C10 H9 107.967 H8 C10 C13 111.522
H9 C10 C13 112.222 C10 C13 H11 108.838
C10 C13 H12 112.711 C10 C13 C16 104.938
H11 C13 H12 108.856 H11 C13 C16 108.782
H12 C13 C16 112.566 C13 C16 H14 111.168
C13 C16 H15 111.834 H14 C16 H15 107.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.030      
2 H 0.189      
3 C -0.185      
4 H 0.217      
5 H 0.217      
6 H 0.214      
7 C -0.651      
8 H 0.217      
9 H 0.210      
10 C -0.445      
11 H 0.221      
12 H 0.207      
13 C -0.418      
14 H 0.218      
15 H 0.212      
16 C -0.453      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.166 -0.196 0.070 0.266
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.505 0.187 0.105
y 0.187 -36.916 -0.111
z 0.105 -0.111 -38.964
Traceless
 xyz
x 1.435 0.187 0.105
y 0.187 0.819 -0.111
z 0.105 -0.111 -2.254
Polar
3z2-r2-4.507
x2-y20.410
xy0.187
xz0.105
yz-0.111


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.898 0.880 0.092
y 0.880 9.107 -0.111
z 0.092 -0.111 6.294


<r2> (average value of r2) Å2
<r2> 170.300
(<r2>)1/2 13.050